body {
padding-bottom: 20px;
}
.navbar {
margin-bottom: 20px;
}
.center-block {
display: -ms-flexbox;
display: -webkit-box;
display: flex;
-ms-flex-align: center;
-ms-flex-pack: center;
-webkit-box-align: center;
align-items: center;
-webkit-box-pack: center;
justify-content: center;
padding-top: 80px;
padding-bottom: 40px;
background-color: #ffffff;
}